Senior engineers for high-consequence software.
Our engineers have built trading, risk, pricing and AI systems at a tier-1 investment bank, a leading crypto market maker, a multi-strategy hedge fund and a trading firm. Engineering in financial markets since 2015. We work directly with portfolio managers, traders, quants and operations teams.
Software where the details matter.
High-consequence software: where bad architecture is expensive, domain knowledge matters and trust is everything.
The right partners for the right problems.
Clients across the world, working remotely.
Who
Why they come to us
When they usually call
VC-backed founders without an in-house tech team
A senior technical partner to turn an idea into a buildable plan and working product.
Just raised or raising; first product to build.
Scale-ups and fintechs
Senior engineering without hiring it.
Building a finance feature or adding AI to a product.
Mid-market finance and operations teams
Manual processes, messy data or no in-house AI capability.
A new CFO, audit pain or an ERP migration.
Software companies adding AI
AI features shipped properly, beyond the demo.
Board or customer pressure, or a competitor launch.
Funds and trading firms
Trading, risk and reporting systems without a large internal team.
A new fund, desk, strategy or asset class.
A good fit matters.
We choose clients as much as they choose us. The problem fits what we do best, has a real business consequence, gives us access to users and decision-makers, has a budget and a credible timeline, and can be scoped.
A direct line to the work.
Your first conversation is with Siir, who leads client conversations and discovery. The person you talk to is the person who architects your system.
Part of Siir & Rui Ventures.
The Software Consultancy is one of five practices at Siir & Rui Ventures, held to the same values: care, insight, curiosity, creativity, excellence and trust.
Meet the foundersStart with a conversation.
An initial call about your business and what you need.